Combined reciprocating engine and turbine plant.



` pension 'tio WILHELM. SHMDT, OF WILHELMSHHIE, 'NEAR CASSEL, GERMANY, ASS''Z't TO SQHMIDT SCHE HEISSDAMPF-CESELLSCHFT M. B. H., OF CASSEz, GEBHEY, A

' COBPORATKON. A

CGMIBINED BECIPEOCATING ENGINE AND TU RBINE PLANT.

Specific .engineman eine Jus@ s, wie. sern no. 701,418.

noie-,essi l To all whom z' may concer-n Be it known tiret-", Wnmnnn Sommer, a vsuir'jeot of the ing Prussia7 Emperor o" Germany, resi-ding jiilhelmshhe, neer Cessei, Germany, n new und uselnf f l2. sind Relating to Combined Hscipreeeting Engines sind idioti-iis, oiivwbioii the i'oiiowing is e ation.

^ e :neosvn -t` pents cgt' the type i, in te? cn tbe high pressure u reciprocating engine l f' eiernent of s turbine, @itis eomesrstively smeii dimeniie'tsoriting ports to utiiize sitl'y i iis high pressuresteain with en es? reaching to the extreme iii-nit Y e expansion et the low pi ssnre finch an advantageous result cannot,

end.

' be obtained either 'with reciprocating engines tiene or' with turbines H alone.' One of the disadvantages 1n combined plants ot the above type es bztherto constructed, lies in the ecvtbm the steam in the high pressure-y eiereent becomes more or iess saturated with anoriceting oil, end when/such steam passes tile iowpressnre eminent, it becomes de- 1 i on tbetnrbine blades and reouces tito eiiieiency of the turbine. The removal "of tbeI oli deposited from theturbine blades 'ls o Ydiiti'clit andexpensive operation. Fnrin addition to being deposited on the ther,

oil is also deposited in the turbine blades7 condenser, thereby7 diminishing the vacuum attainable, 'end effecting a` further reduction in the eiiclency of tne plant. It, 1n order to ren'iedy the above defect, an oil separator 1s interposed between'the reciprocating engine-v -end the turbin i, a complete separation of the .nii from the steam cannot be effected, as the 4sepa` zi-tor merely delays the formation of the deposit in the turbine and condenser, but cannot eradicate it.

The objecty ot tbe/present invention is to provide o plantof the type above indicated in which all access of oil to the interior of the turbine and condenser prevented.

recording to the present invention, e steam generator is arranged between the reci procatin'g engine and the turbine, so that the steam generator is heated by the ezt-- boost frein-tbe reciprocating engine and supplies the ,steam for driving the turoine.

By means'rot my invention, not only is i n Letters etent.

' acts miente-e nov. is, iene.

the interior denser kept perfectly free from ily deposits, but; the interposed generator also keeps me mein' en :resumido-tor which steein generator protected against iniury in the event et sudden Variations of the leed.

tt-.er feature is o considerable iinpere e ivbere steam ci" high pressure iD empioyed, es steam generators of: tins type nove usually wvery/ smell n'eter space ond cannot respond'eesiiy to berge variations of tbeioad. in sucn eircomstences, the srger Water space ot the interposed sten-in generator exerts an equeiizing actionond slicws tile turbine, which es is Weii-kno\'fn is able to bear considerabie overioading. to absorb the inequalities in the The drop in pressure of the steam during its conversion, is smell', vvhiie the loss of beat in the' steam generator is also email,

the intent heet of the exhaust steam of the 'nigh pressure eiement is almost Wholly transmitted to the steam evaporated. in the generator.

y The deposition of oii on the heating surfscesot the lintermediate steam generator oi the turbine and the con does not conse any great injury, as the worit- A,

intr nressure thereof isi/low and the generny be suitably constructed so .as to be r-esdiy eesned. Y

if necessary, en oil separator maybe inserted between the high pressure element and the steam generator in order to reduce the oily deposit on the `nesting surfaces thereof.

ranged between the interposed steam gen erator end the turbine, 1"vlnch superhester will :ict very eliiclently in view tbe fact in seine cases a superbe-ster muy 'be en,

that the steam upon which it operates isfree Y i from sdiniture with oil. Such intermediste superbesters in combined plents as ieretofore' constructed, are very quickiy rendered useless owing to the deposition of oil on their heating surfaces. This disadvantage is obriated by niet-.ns of the present invent-ion The advantages of the present. invention are perticuiorly apparent in those circumstances in which steam ot' very high pressure is employe-fi, es the losses caused on thelconvegsion oi. the steam are then relatively sin iiesn The accompanying drawing whicli\iforms litt) part. of my specification illustrates diagrammat'ically one example of a plant Constructed according to my improvements.

In earrying my invention intov effect, l provide, a high pressure element.y a, and a ow pressure element. The high pressure element eonsists of eight single aeting high pressure reeipromiting engines situated 1n one plane, and aeting upon a common shaft. r'. The low pressure elelnent. 7) eonsists ot a steam turbi'ne aeting also upon the shaft. o. A steam generator, al. is arranged between the engine. Il. and the. turbine {1..while a sul'ierheater. e is interposed between the generator, (l. andthe turbine, 7). 'The engine, (L, is supplied i'neterably with superheated steam t'rom a suitable generating plant. by way ot the steam ehests, g. After performing thisI work in the engines. thesteam ex-A hausts through the pipe. .71. to the steam generator. ff. giving up its heat to theheating sur- Vt'aees thereoti. and beeoming` eondensed into water whieh isdrawu otl' through the pipe. i. The steam generated in the generator, d. passes into the superheater. e. Preferably heated b v high pressure boiler steam, wherein it is dried or super-heated. and thereafter led to the turbine to perlorm wor|\I therein. 'l`he exhaust from the turbine passes to a eondenser. ol' any of the usual `forms. 'l`he water ot eonilensation ot' this eomlenser. is almost: ehemieally pure, and may eonveuiently be used as fee(l-\vater for the gew erator thus preventing the deposition ot seale therein. or the eondensed water may be used t'or any other suitable purpose.

instead ot the arrangement above deseribed. l may in some eases arrange that the high pressure element and the low pressure element work upon independent shafts instead ot' a` eommon shaft.. Also :1 plurality ot independent high pressure elements may have one or more eommon low pressure elements. t

l wish it to be understood that l do not wish my invention to be limited to the exaet arrangement whieh l havefdeserihetl. as it is evident that, 1uo litieations may be made therein without departing beyond the seope ot: my invention. y

l-laving now particularly deseribed and .ascertained the nature of my said invention and in. what manner the sinne is to be per formed, declare that what l claim is 1. ln a plant consisting` of a combination of a reciprocating engine and a turbine, the. arrangement of a steam generator between the i'eeiproeating engine anti the turbine. and meanst'or heating the steam generator by the exhaust from the reeiproeating engine, whereby the steam generator supplies the steam for driving the turbine. substantially as deseribed.

i2. ln a plant consisting of a combination ot a reeiproeating engine and a turbine, the arrangement ot' a steam generator between the reeiproeating engine and the turbine and means for heating the steam generator by the exhaust from the 1,-eeiprtxating engine whereby the steam generator supplies the steam for driving the turbine. and a superheater, interposed between the `steam generator and the low pressure element,A suhstantially as described.

3. Tn a plant Consisting in a combination of several single-acting high pressure reciprocating engines and a turbine. the :1rrangement of a steam generator between the reeiproeating engines and the turbine and means tor heating the steam generatorlrv the exhaust `trom the reeiproeating engines. wherebv the steam generatorsupplies the steam for driving'the turbine, substantially as described.A 4

4. ln a plant consisting in a eombination of eight single-netting high pressure. reeiproeating engines situated in one plane` and a turbine. the arrangement of a steam gen erator between the reelproeating engines and the turbine and means for heating the steam generator by the exhaust from the reeipro eating engines. whereby the steam generator supplies the steam for driving the turbine, substantially as deseribed.

ln testimony whereof have hereunto set my hand in the presenee of two subscribing w it nesses. I

wu'aunM sonann'r.

Witnesses:

Jumns liaanu, EoMoNT Dom'rwrr. 

